Home / 30,823.31-42,535.44-17,394.21

Finding the Fourth Proportional to 30,823.31, 42,535.44 and 17,394.21

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Solution

The fourth proportional to 30,823.31, 42,535.44 and 17,394.21 is: 24,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,823.31 : 42,535.44 = 17,394.21 : x
  2. Step 2: Convert to fraction form
    30,823.31/42,535.44 = 17,394.21/x
  3. Step 3: Cross multiply
    30,823.31x = 42,535.44 × 17,394.21
  4. Step 4: Simplify right side
    30,823.31x = 739,870,375.80
  5. Step 5: Solve for x
    x = 739,870,375.80/30,823.31
  6. Step 6: Final answer
    x = 24,003.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.